5578820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 12936000

約数和(自身を除く): 7357180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 499, 559, 860, 998, 1118, 1996, 2236, 2495, 2795, 4990, 5590, 6487, 9980, 11180, 12974, 21457, 25948, 32435, 42914, 64870, 85828, 107285, 129740, 214570, 278941, 429140, 557882, 1115764, 1394705, 2789410, 5578820]

約数ペア:

[(1, 5578820), (2, 2789410), (4, 1394705), (5, 1115764), (10, 557882), (13, 429140), (20, 278941), (26, 214570), (43, 129740), (52, 107285), (65, 85828), (86, 64870), (130, 42914), (172, 32435), (215, 25948), (260, 21457), (430, 12974), (499, 11180), (559, 9980), (860, 6487), (998, 5590), (1118, 4990), (1996, 2795), (2236, 2495)]